It represents the vertical distance between the curve and the asymptote. It should approach zero as |x| approaches infinity. You might investigate whether the remainder is positive or negative, since...
"Proofed" means the final rise of shaped bread dough before baking, so no it doesn't need to be kneaded again. "Molding" means to make a shape of some kind.
Actually, the "Something went wrong" message pertains to a network or system error. Try resetting your Xbox One by turning it off, waiting for a minute, and then holding down...